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A Peculiar Case of Hail in the West of Romania: July 14th, 2008. The work presents a case study with a view on the dangerous meteorological phenomena that took place in the evening of July 14^th 2008, in the western regions of the country. In the interval 11^th-13^th July 2008, the central-eastern part of Europe was under the influence of a very hot, tropical air mass that determined the scorching days in our country. The northern and later the central regions of Europe were affected by a cold air mass, moist and unstable which gave precipitation. At the contact of two air masses with thermic differences of about 10^°C, in the accentuated generated instability, dangerous meteorological phenomena have resulted. They manifested in the western and central regions of Romania by torrential sudden showers, hail, lightning, thunders and squalls. The effects produced by the dangerous meteorological phenomena were felt in many counties in the country, and in the western part they were most intense in Arad County. There, in some settlements the hail was as big as a hen’s egg, generating massive destructions.

Key words: hail, instability, dangerous meteorological phenomenon, warning, effect.